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Glossary P


Glossary P


Peer-to-peer networking or Person to Person messaging – one person sends a text message to another person.


PDP Context

Data structure present on both the serving GPRS support node (SGSN) and the gateway GPRS support (in this case it shows that the data connection between the endpoint and the network was established).



Protocol Description Unit (PDU) - There are two ways of sending and receiving SMS messages: by text mode and by PDU mode. The text mode (unavailable on some phones) is just an encoding of the bit stream represented by the PDU mode. Alphabets may differ and there are several encoding alternatives when displaying an SMS message. If you read the message on your phone, the phone will choose a proper encoding. An application capable of reading incoming SMS messages, can thus use text mode or PDU mode. If text mode is used, the application is limited by the set of preset encoding options. However, if PDU mode is used, any encoding can be implemented.



Payment Engine.



Personal Messaging (P2P).



Proof of Receipt - This defines if the customer requested a handset acknowledgement for the MT and that the SMSC supports it.


Premium MO

Premium Mobile Originated message. An example of a Premium MO message campaign is voting. Users can vote by sending a specific text message to a short code. A response is not required. The end user will be charged the end user tariff level for every singled MO sent to a specific short code.


Premium MO & MT

Premium MO and MT messages are similar to Premium MO, however it is a two-way process. An example of a Premium MO & MT message campaign could be a ringtone request. The user sends a message requesting for a ringtone and the ringtone is delivered to the user's mobile handset.


Premium MT

Premium Mobile Terminated message. An example of a Premium MT message campaign is a subscription service, where a user subscribes to traffic or stock alerts and the user receives daily message alerts. The end user will be billed for every single MT they receive from a short code and for which they have agreed to receive Premium messages.


Premium SMS (PSMS)

Premium rate SMS (PSMS) are analogous to '900 numbers'. Wireless subscribers pay an additional fee for sending a message.


Problem Control (PC)

This is concerned with identifying the real underlying causes of Incidents in order to prevent future recurrences. The three phases involved in PC are:
- problem identification and recording
- problem classification - in terms of the impact on the business
- problem investigation and diagnosis.


Problem Management (PM)

The activities undertaken to minimize the adverse impact on the business of problems that are caused by errors within the infrastructure and to prevent recurrence of incidents related to these errors. PM gets to the root cause of problems, identifies workarounds or permanent fixes and eliminates errors.


Problem Review

The purpose of a problem review is to improve IM and PM processes. This is accomplished by performing a post-mortem examination of the quality of the IM and PM response activities associated with a major incident or problem.



Premium SMS.


Pull Service

A mobile service wherein an end-user must first send a request before receiving messages.


Push Service

A mobile service wherein messages are sent to a mobile subscriber without a specific request from the subscriber at the time the message is delivered. PUSH messages may be person-to-person, application-to-person or even application-to-application. Some examples include alert messages for news, stock quotes, or daily horoscopes. Subscribers opt-in to these services and receive alerts according to their preferences.


Push SMS

This is standard messaging where SMS messages are sent in volume to a wireless destination. Push SMS is equivalent to Bulk SMS.


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‎08-22-2019 06:24 AM
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